206606640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{860861}}^1$

素因数の和:860877

約数の個数: 40

約数和(自身を含む): 640481328

約数和(自身を除く): 433874688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 860861, 1721722, 2582583, 3443444, 4304305, 5165166, 6886888, 8608610, 10330332, 12912915, 13773776, 17217220, 20660664, 25825830, 34434440, 41321328, 51651660, 68868880, 103303320, 206606640]

約数ペア:

[(1, 206606640), (2, 103303320), (3, 68868880), (4, 51651660), (5, 41321328), (6, 34434440), (8, 25825830), (10, 20660664), (12, 17217220), (15, 13773776), (16, 12912915), (20, 10330332), (24, 8608610), (30, 6886888), (40, 5165166), (48, 4304305), (60, 3443444), (80, 2582583), (120, 1721722), (240, 860861)]